Milk frother



FIG. 1 is a front perspective view of a milk frother, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a partial enlargement of FIG. 1 .

The broken lines in the drawings illustrate the portions of the milk frother, which form no part of the claimed design. 

CLAIM The ornamental design for a milk frother, as shown and described. 